Believe in shearling.

Believe in shearling.

Shearling — woolly on the inside, smooth on the outside, and a little like an inside-out sheep — makes for some of the warmest coats on earth, and its spongy exterior molds to your body. In a good way.

Believe in shearling.

Shearling — woolly on the inside, smooth on the outside, and a little like an inside-out sheep — makes for some of the warmest coats on earth, and its spongy exterior molds to your body. In a good way.

Invest in lightweight cashmere.

It provides warmth without weight, that's why, and if you spring for long-staple knits, it'll handle wear and tear nicely. You can also layer it underneath coats and jackets without people — like, say, her — thinking you're fat.

Lace up them boots.

But not just any boots: This season Salvatore Ferragamo and Brunello Cucinelli (among others) are putting a luxury stamp on rugged staples like mountain and combat boots. They can negotiate all manner of rocky terrain while pairing well with all manner of tailoring. Just make sure you break them in before starting your trip.

Layer it on thick.

Whether you're headed from point A to point B or point A to point Z, layers give you the luxury of adapting what you're wearing at a moment's notice. Throw your scarf on, take it off — do whatever feels right to you and just keep moving.